CN202989173U - Metallurgical slag waste heat recovery device - Google Patents
Metallurgical slag waste heat recovery device Download PDFInfo
- Publication number
- CN202989173U CN202989173U CN2012205941489U CN201220594148U CN202989173U CN 202989173 U CN202989173 U CN 202989173U CN 2012205941489 U CN2012205941489 U CN 2012205941489U CN 201220594148 U CN201220594148 U CN 201220594148U CN 202989173 U CN202989173 U CN 202989173U
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- China
- Prior art keywords
- metallurgical slag
- slag
- heat recovery
- water pipe
- recovery device
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
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Abstract
The utility model provides a metallurgical slag waste heat recovery device. Metallurgical slag is placed inside a slag tank. A water pipe wound in an S-shaped mode is placed on an outer wall of the slag tank. One end of the water pipe is a cooling water inlet, and the other end of the water pipe is a hot water outlet. The metallurgical slag waste heat recovery device is simple in processing and assembling, convenient to use and practical. A large amount of heat energy of the metallurgical slag is recovered by means of heat conduction between metals, and therefore the metallurgical slag waste heat recovery device is short in heat cycle time and high in waste heat recovery efficiency of the metallurgical slag.
Description
Technical field
The utility model relates to a kind of metallurgical slag treatment apparatus, particularly relates to a kind of metallurgical slag waste-heat recovery device.
Background technology
Carry out the metallurgical slag recycling, abandon for the minimizing metallurgical slag and bury with taking up an area and preventing the pollution of the environment, promote that the lasting high-efficient development of China's Iron And Steel Industry is significant.Metallurgical slag is inseparable with smelting production, has to smelt to produce just to have the metallurgical slag generation.Metallurgical slag, is fit to make outside different types of building materials except containing the elements such as abundant calcium, silicon, iron, aluminium, magnesium as the byproduct of smelt producing, when it is come out of the stove self with a large amount of heat energy be also a kind of energy that has utility value.According to statistics, with regard to hot steel slag, the heat energy that slag per ton produces is equivalent to the heat energy that 60 kilograms of standard coals produce, so its utility value is very high.At present metallurgy industry mostly is greatly for the processing of metallurgical slag metallurgical slag is placed in slag ladle, allows metallurgical slag be down to after certain temperature in air naturally cooling by the mode of fetching water and further lowers the temperature, and again metallurgical slag is turned over tank after cooling and is further processed.In temperature-fall period, heat energy a large amount of in slag ladle are wasted, and need a large amount of water to lower the temperature, and this is a huge waste from the angle of energy utilization.the metallurgical slag heat recovery technology has also had certain development in recent years, in present existing metallurgical slag waste-heat recovery device, employing arranges the heat energy that the method that a moist closet is installed absorbs metallurgical slag on slag ladle is fetched water the position, but, this scheme can only reclaim solid-state metallurgical slag with heat energy, namely utilize low-quality heat energy, the heat energy of two most liquid metallurgical slags is not also in time recycled just cooling down, fail to take full advantage of the energy, cause the waste of heat energy, in addition, the moist closet of required construction carries out the conduction of heat energy by air, the thermal cycling time is long and heat utilization rate is not high.The slag ladle that is used at present the shipment liquid steel slag is divided into two kinds of cast type and welded types, welded slag ladle (application number 200910051655.0) is than cast type slag ladle long service life, mechanical property is stronger, prospect of the application is good, but this welded slag ladle also can cause a large amount of energy dissipations in process of production.
The utility model content
The shortcoming of prior art in view of the above, the utility model provides the technique of the recovery of a kind of metallurgical slag waste-heat recovery device and a kind of metallurgical slag waste heat, and this device is concentrated recycling after can utilizing the part of waste heat of metallurgical slag that cold water is converted into hot water in the metallurgical slag treating processes.
The purpose of this utility model is to provide a kind of metallurgical slag waste-heat recovery device, described metallurgical slag is positioned at slag ladle, and the outer wall of described slag ladle is provided with the water pipe of S shape coiling, and described water pipe is steel pipe, one end of described water pipe is cooling water inlet, and the other end of described water pipe is hot water outlet.
Preferably, described water pipe is steel pipe.
Further, described slag ladle is welded construction.
Preferably, described water pipe row be welded on the outer wall of described slag ladle, is equipped with dividing plate between the adjacent pipeline section of described water pipe.
Further, the hot water that flows out from described hot water outlet enters heat collector.
The simple and convenient practicality of this metallurgical slag waste-heat recovery device process and assemble by the thermal conduction of tank skin, to cold water, makes it to become hot water with the thermal energy conduction in metallurgical slag, and the thermal cycling time is short, and metallurgical slag heat recovery rate is high.
Description of drawings
Fig. 1 is shown as the existing schematic diagram of containing the slag ladle of depositing metallurgical slag.
Fig. 2 is shown as the schematic diagram of the slag ladle of the utility model metallurgical slag waste-heat recovery device.
Fig. 3 is shown as the schematic diagram of row's weldering of water pipe 2 in Fig. 2.
Fig. 4 is shown as the process flow diagram of the utility model metallurgical slag waste heat recovery.
The number in the figure explanation
1 slag ladle
2 water pipes
21 cooling water inlets
22 hot water outlets
3 dividing plates
Embodiment
Below by particular specific embodiment explanation embodiment of the present utility model, person skilled in the art scholar can understand other advantages of the present utility model and effect easily by the disclosed content of this specification sheets.
See also Fig. 1 to Fig. 4.Notice, the appended graphic structure that illustrates of this specification sheets, ratio, size etc., equal contents in order to coordinate specification sheets to disclose only, understand and read for person skilled in the art scholar, be not to limit the enforceable qualifications of the utility model, therefore the technical essential meaning of tool not, the adjustment of the modification of any structure, the change of proportionlity or size, do not affecting under the effect that the utility model can produce and the purpose that can reach, all should still drop on the technology contents that the utility model discloses and get in the scope that can contain.Simultaneously, quote in this specification sheets as " on ", D score, " left side ", " right side ", " centre " reach the term of " " etc., also only for ease of understanding of narrating, but not in order to limit the enforceable scope of the utility model, the change of its relativeness or adjustment, under without essence change technology contents, when also being considered as the enforceable category of the utility model.
During concrete view work.
Fig. 2 is a kind of metallurgical slag waste-heat recovery device of the utility model, and metallurgical slag is positioned at slag ladle 1, and the outer wall of slag ladle 1 is provided with the water pipe 2 of S shape coiling, and an end of water pipe 2 is cooling water inlet 21, and the other end of water pipe is hot water outlet 22.
Slag ladle 1 in the metallurgical slag waste-heat recovery device is welded construction, and water pipe 2 is steel pipe, and water pipe 2 row be welded on the outer wall of slag ladle 1, is equipped with dividing plate 3 between the adjacent pipeline section of water pipe 2, and the hot water that flows out from hot water outlet 22 enters heat collector.
Fig. 4 is the process flow sheet of metallurgical slag waste heat recovery, this technique is recycled the metallurgical slag waste heat, metallurgical slag waste heat recovery intermediate treatment technique between recovery and reuse comprises, after putting into metallurgical slag in slag ladle 1, to the interior cold water that constantly passes into of the cooling water inlet 21 of water pipe 2, the hot water that thermal conduction by tank skin is converted into cold water, hot water enter heat collector after hot water outlet 22 flows out the metallurgical slag waste heat are further reclaimed.
Preferably, the processing step of metallurgical slag waste heat recovery is as follows,
One, slag ladle connects slag;
Two, slag ladle is transported to the waste heat recovery field;
Three, waste heat recovery;
Four, cooling deslagging;
Five, cold conditions metallurgical slag subsequent disposal and utilization.
during concrete enforcement, water pipe 2 in the utility model metallurgical slag waste-heat recovery device is steel pipe, as shown in Figure 3, a bending with every steel pipe, one of bending and another root steel pipe not one of bending carry out soldering and are connected, so arrange weldering with some steel pipes are end to end, make water pipe 2 form a cavity, row's weldering for convenience of water pipe 2, during anti-antipriming pipe 2 welding by burn-through, be equipped with dividing plate 3 between the adjacent pipeline section of water pipe 2, water pipe 2 is connected with dividing plate 3 spot welding, water pipe 2 and dividing plate 3 are fixed on outside slag ladle 1 tank skin after completing, water pipe 2 is close to slag ladle 1 outer wall, dividing plate 3 is connected with the slag ladle soldering.So far, the metallurgical slag waste-heat recovery device installs.
Slag ladle 1 is a kind of container of the high-temperature slag that produces for the splendid attire steel smelting procedure, and adopts welded slag ladle 1 that stronger mechanical property and long work-ing life are arranged, therefore the utility model preferred weld formula slag ladle 1.Contain when metallurgical slag and constantly pass into cold water when depositing slag ladle 1 in the cooling water inlet 21 of water pipe 2, slag ladle 1 is metal material, metallurgical slag self with the thermal conduction of heat by tank skin spread out of to the outside, water pipe 2 is steel pipe, conduct the heat that conducts in steel pipe by tube wall from slag ladle 1, make the cold water that passes into be converted into hot water, hot water enters heat collector after hot water outlet 22 is discharged, and heat energy is carried out further collecting utilizing.
The concrete technology flow process is as follows:
1, slag ladle connects slag: metallurgical slag is imported in slag ladle;
2, slag ladle is transported to the waste heat recovery field;
3, waste heat recovery; The 2 interior cold water that constantly pass into from cooling water inlet 21 to water pipe, cold water is through intermetallic thermal conduction, change rapidly hot water into, continuous inflow along with cold water, hot water constantly discharges from hot water outlet 22, even if the hot water of discharging further takes full advantage of heat energy with entering in heat collector, and metallurgical slag is cooled to room temperature after processing through cooling;
4, cooling deslagging; The metallurgical slag that has cooled is poured out the further processing and utilizing of preparation in slag ladle 1;
5, cold conditions metallurgical slag subsequent disposal and utilization.
In sum, a kind of metallurgical slag waste-heat recovery device processing of the utility model is simple and convenient, practical, employing the method for the slag ladle 1 outside row's weldering of tank skin water pipe 2 with metallurgical slag self with heat energy recycle fully, the conduction velocity that adopted metal and intermetallic thermal conduction degree of adding, improved conduction efficiency, shortened the time of thermal cycling, heat utilization rate is high.So the utility model has effectively overcome various shortcoming of the prior art and the tool high industrial utilization.
Above-described embodiment is illustrative principle of the present utility model and effect thereof only, but not is used for restriction the utility model.Any person skilled in the art scholar all can under spirit of the present utility model and category, modify or change above-described embodiment.Therefore, have in technical field under such as and know that usually the knowledgeable modifies or changes not breaking away from all equivalences of completing under spirit that the utility model discloses and technological thought, must be contained by claim of the present utility model.
Claims (5)
1. metallurgical slag waste-heat recovery device, described metallurgical slag is positioned at slag ladle (1), it is characterized in that, the outer wall of described slag ladle (1) is provided with the water pipe (2) of S shape coiling, one end of described water pipe (2) is cooling water inlet (21), and the other end of described water pipe is hot water outlet (22).
2. metallurgical slag waste-heat recovery device according to claim 1, is characterized in that, described water pipe (2) is steel pipe.
3. metallurgical slag waste-heat recovery device according to claim 1, is characterized in that, described slag ladle (1) is welded construction.
4. metallurgical slag waste-heat recovery device according to claim 1, is characterized in that, described water pipe (2) row is welded on the outer wall of described slag ladle (1), is equipped with dividing plate (3) between the adjacent pipeline section of described water pipe (2).
5. metallurgical slag waste-heat recovery device according to claim 1, is characterized in that, the hot water that flows out from described hot water outlet (22) enters heat collector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012205941489U CN202989173U (en) | 2012-11-12 | 2012-11-12 | Metallurgical slag waste heat recovery device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012205941489U CN202989173U (en) | 2012-11-12 | 2012-11-12 | Metallurgical slag waste heat recovery device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202989173U true CN202989173U (en) | 2013-06-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012205941489U Expired - Lifetime CN202989173U (en) | 2012-11-12 | 2012-11-12 | Metallurgical slag waste heat recovery device |
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| Country | Link |
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| CN (1) | CN202989173U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108130396A (en) * | 2018-03-01 | 2018-06-08 | 华北理工大学 | A kind of metallurgical slag waste-heat recovery device |
-
2012
- 2012-11-12 CN CN2012205941489U patent/CN202989173U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108130396A (en) * | 2018-03-01 | 2018-06-08 | 华北理工大学 | A kind of metallurgical slag waste-heat recovery device |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130612 |